I found Comquest surprisingly similar to the COMLEX as far as their questioning method & the answer choices/answer selection reasoning. The actual COMLEX questions had a little longer clinical background info for some questions. I did the majority of Comquest questions for level 3. I've only done some Combank questions for level 3 before my subscription expired. I think Combank is good too for learning info, but Comquest was more helpful for "getting to the point" regarding Comlex test-taking. I think UW is good for learning actual medicine beyond primary care material, but the style is meant for the USMLE.